Griptek offers a wide range of fastener keys for transmitting loads in electric motors, pumps, couplings, chain drives and gears or for any type of rotating machinery parts, etc. The keys, square, flat, parallel and woodruff type are manufacture from en steel, ss 304, ss 316, ss 410 as per bs, din and astm standards under strict supervision to meet the standards specified and ground to h9 tolerance and chambered for ease of assembly for shafts from 6 mm to 400 mm.